
.overflow-line(@line){
  display: -webkit-box;
  -webkit-line-clamp: @line;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;

  word-break: break-word; //若单词长度超一行才会强制分割不会溢出，强制分开
}

.overflow-aline(){
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.flex-item-fit-height(){
  height: 0;
  flex: 1 1 auto;
}

.flex-item-fit-width(){
  width: 0;
  flex: 1 1 auto;
}

.flex-item-fit(){
  flex: 1 1 auto;
}

.flex-item-fix(){
  flex: 0 0 auto;
}